Home / 20,266,809.15-27,970,193.30-11,566,291.35

Finding the Fourth Proportional to 20,266,809.15, 27,970,193.30 and 11,566,291.35

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Solution

The fourth proportional to 20,266,809.15, 27,970,193.30 and 11,566,291.35 is: 15,962,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266,809.15 : 27,970,193.30 = 11,566,291.35 : x
  2. Step 2: Convert to fraction form
    20,266,809.15/27,970,193.30 = 11,566,291.35/x
  3. Step 3: Cross multiply
    20,266,809.15x = 27,970,193.30 × 11,566,291.35
  4. Step 4: Simplify right side
    20,266,809.15x = 323,511,404,712,682.69
  5. Step 5: Solve for x
    x = 323,511,404,712,682.69/20,266,809.15
  6. Step 6: Final answer
    x = 15,962,621.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.